The story begins with a young couple, on the first day of their vacation, driving along the road in the young man's sports car. Although they have been together for a year, the young woman is still shy around her boyfriend and is even embarrassed whenever she has to ask him to stop the car so she can go to the bathroom. The young man has had casual sexual relationships with many women, but likes this young woman because she seems to him to be "pure," as compared to other women he's encountered. The young woman wishes she were not so self-conscious about her body, and envies the kind of women who are more comfortable with their sexuality. She is especially jealous of the young man's attentions to other women, because she feels that other women can offer him a type of seductiveness which she is incapable of...